#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
class A{
  public:
	int fun1();
	virtual void fun2();

  private:
	int _a1;
	static int _a2;
};
class B:public A{
  public:
	virtual void fun2();
};
int main()
{
	printf("%d", sizeof(B));
}